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Home >> Toyota >> 2016 >> Corolla L, Standard Trans >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Navigation System - Diagnostics - Introduction (2 Of 2) (Model Code: ZRE172) >> Navigation System >> Terminals Of Ecu [08/2013 - 08/2016] >> Terminals Of Ecu [08/2013 - 08/2016]
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Terminals Of Ecu [08/2013 - 08/2016]

HINT: 

Check from the rear of the connector while it is connected to the components.

  1. NAVIGATION RECEIVER ASSEMBLY 
    Fig 1: Navigation Receiver Assembly Connector End Views
    GTY443725Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    E65-1 (FR+) - E65-7 (GND1) LG - BR Sound signal (Front right) Audio system playing A waveform synchronized with sounds is output
    E65-2 (FL+) - E65-7 (GND1) P - BR Sound signal (Front left) Audio system playing A waveform synchronized with sounds is output
    E65-3 (ACC1) - E65-7 (GND1) GR - BR Power source (ACC) Ignition switch off Below 1 V
    Ignition switch ACC 11 to 14 V
    E65-4 (+B1) - E65-7 (GND1) SB - BR Power source (+B) Always 11 to 14 V
    E65-5 (FR-) - E65-7 (GND1) L - BR Sound signal (Front right) Audio system playing A waveform synchronized with sounds is output
    E65-6 (FL-) - E65-7 (GND1) V - BR Sound signal (Front left) Audio system playing A waveform synchronized with sounds is output
    E65-7 (GND1) - Body ground BR - Body ground Ground Always Below 1 V
    E65-10 (ILL+) - E65-7 (GND1) G - BR Illumination signal Light control switch off Below 1 V
    Light control switch in tail or head position 11 to 14 V
    E66-1 (RR+) - E65-7 (GND1) R - BR Sound signal (Rear right) Audio system playing A waveform synchronized with sounds is output
    E66-2 (RL+) - E65-7 (GND1) B - BR Sound signal (Rear left) Audio system playing A waveform synchronized with sounds is output
    E66-3 (RR-) - E65-7 (GND1) W - BR Sound signal (Rear right) Audio system playing A waveform synchronized with sounds is output
    E66-5 (ILL-) - E65-7 (GND1) W - BR Illumination signal Light control switch off Below 1 V
    Light control switch in tail or head position Pulse generation
    E66-6 (RL-) - E65-7 (GND1) Y - BR Sound signal (Rear left) Audio system playing A waveform synchronized with sounds is output
    E68-11 (CA+) - E65-7 (GND1) R - BR Television camera power supply Ignition switch ACC 5.5 to 7.05 V
    E68-12 (V+) - E65-7 (GND1) B - BR Video signal Ignition switch ON
    Shift lever in R
    Camera lens not covered, displaying an image
    Pulse generation (Refer to waveform 1)
    Ignition switch ON
    Shift lever in R
    Camera lens covered, blacking out screen
    Pulse generation (Refer to waveform 2)
    E68-23 (CGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    E68-24 (V-) - E65-7 (GND1) W - BR Ground Always Below 1 V
    E67-1 (IG) - E65-7 (GND1) V - BR Power source (IG) Ignition switch off Below 1 V
    Ignition switch ON 11 to 14 V
    E67-2 (REV) - E65-7 (GND1) R - BR Reverse signal See "Vehicle Signal Check Mode" in Operation Check
    Refer to OPERATION CHECK [08/2013 - ]
    -
    E67-4 (MACC) - E65-7 (GND1) R - BR Microphone power supply Ignition switch off Below 1 V
    Ignition switch ACC 4 to 6 V
    E67-5 (MIN+) - E65-7 (GND1) B - BR Microphone voice signal See "Check Microphone" in Operation Check
    Refer to OPERATION CHECK [08/2013 - ]
    -
    E67-6 (SNS2) - E65-7 (GND1) G - BR Microphone connection detection signal Always Below 1 V
    E67-9 (CANH) G CAN communication signal - -
    E67-10 (CANL) W CAN communication signal - -
    E67-11 (AGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    E67-15 (PKB) - E65-7 (GND1) B - BR Parking brake signal See "Vehicle Signal Check Mode" in Operation Check
    Refer to OPERATION CHECK [08/2013 - ]
    -
    E67-17 (SPD) - E65-7 (GND1) V - BR Vehicle speed signal See "Vehicle Signal Check Mode" in Operation Check
    Refer to OPERATION CHECK [08/2013 - ]
    -
    E67-18 (SGND) - Body ground Shield - Body ground Shield ground Always Below 1 V
    E67-19 (MIN-) - E65-7 (GND1) W - BR Microphone voice signal See "Check Microphone" in Operation Check
    Refer to OPERATION CHECK [08/2013 - ]
    -
    E67-21 (SW1) - E67-23 (SWG) SB - B Steering pad switch signal No switch pushed 2.97 to 3.56 V
    Up switch pushed 0.27 to 0.35 V
    Down switch pushed 0.86 to 1.03 V
    Volume+ switch pushed 1.51 to 1.79 V
    Volume- switch pushed 2.22 to 2.66 V
    E67-22 (SW2) - E67-23 (SWG) R - B Steering pad switch signal No switch pushed 2.97 to 3.56 V
    MODE/HOLD switch pushed 0.27 to 0.35 V
    On hook switch pushed 0.86 to 1.03 V
    Off hook switch pushed 1.51 to 1.79 V
    Voice switch pushed 2.22 to 2.66 V
    E67-23 (SWG) - E65-7 (GND1) B - BR Steering pad switch ground Always Below 1 V
    E67-24 (SW3) - E67-23 (SWG) L - B Steering pad switch signal No switch pushed 2.97 to 3.56 V
    Enter switch pushed 0.27 to 0.35 V
    Back switch pushed 0.86 to 1.03 V
    Right switch pushed 1.51 to 1.79 V
    Left switch pushed 2.22 to 2.66 V
    E67-25 (ADPG) - E65-7 (GND1) SB - BR External device connection detection signal External device connected Below 1 V
    External device not connected 2.1 to 3 V
    E67-26 (VAR+) - E67-27 (VA-) W - R Sound signal (Right) External device playing (When stereo jack used) A waveform synchronized with sounds is output
    E67-27 (VA-) - E65-7 (GND1) R - BR Ground Always Below 1 V
    E67-28 (VAL+) - E67-27 (VA-) B - R Sound signal (Left) External device playing (When stereo jack used) A waveform synchronized with sounds is output
    k3-3 (ACC2) - E65-7 (GND1) Y - BR Power source (ACC) Ignition switch off Below 1 V
    Ignition switch ACC 11 to 14 V
    k3-4 (+B2) - E65-7 (GND1) R - BR Power source (+B) Always 11 to 14 V
    k3-8 (GND2) - Body ground B - Body ground Ground Always Below 1 V
    u4-1 (USV1) - Power source - -
    u4-2 (US1-) - Data signal - -
    u4-3 (US1+) - Data signal - -
    u4-4 (UGD1) - Ground - -
    u4-5 (USG1) - Shield ground - -
    a3-1 (USV4) - Power source - -
    a3-2 (US4-) - Data signal - -
    a3-3 (US4+) - Data signal - -
    a3-4 (UGD4) - Ground - -
    a3-5 (USG4) - Shield ground - -
    b3-1 (LV1) - LVDS communication signal - -
    RA-5 (ANT+) - E65-7 (GND1) - - BR Power source of antenna Ignition switch ACC
    Radio switch on and FM or AM selected
    11 to 14 V
    1. Reference (Oscilloscope waveform):
      1. Waveform 1 (camera lens not covered, displaying an image)
        Item Content
        Measurement terminal E68-12 (V+) - E65-7 (GND1)
        Measurement setting 200 mV/DIV., 50 μsec./DIV.
        Condition Ignition switch ON, shift lever in R
        GTY439792Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Waveform 1 (camera lens not covered, displaying an image)
        *b Synchronization Signal
        *c Video Waveform

        HINT: 

        • The video waveform changes according to the image sent by the television camera assembly.
        • The video waveform is constantly output when the ignition switch is turned to ACC.
      2. Waveform 2 (camera lens covered, blacking out the screen)
        Item Content
        Measurement terminal E68-12 (V+) - E65-7 (GND1)
        Measurement setting 200 mV/DIV., 50 μsec./DIV.
        Condition Ignition switch ON, shift lever in R
        GTY436138Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Waveform 2 (camera lens covered, blacking out the screen)
        *b Synchronization Signal
        *c Video Waveform

        HINT: 

        • The video waveform changes according to the image sent by the television camera assembly.
        • The video waveform is constantly output when the ignition switch is turned to ACC.
  2. STEREO COMPONENT TUNER ASSEMBLY 
    Fig 2: Stereo Component Tuner Assembly Connector End Views
    GTY455668Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
    k2-3 (ACC2) - k2-8 (GND2) Y - B Power source (ACC) Ignition switch off Below 1 V
    Ignition switch ACC 11 to 14 V
    k2-4 (+B2) - k2-8 (GND2) R - B Power source (+B) Always 11 to 14 V
    k2-8 (GND2) - Body ground B - Body ground Ground Always Below 1 V
    a2-1 (USV4) - Power source - -
    a2-2 (US4-) - Data signal - -
    a2-3 (US4+) - Data signal - -
    a2-4 (UGD4) - Ground - -
    a2-5 (USG4) - Shield ground - -
    b2-1 (LV1) - LVDS communication signal - -